Home / 11,001.38-15,181.92-6,285.65

Finding the Fourth Proportional to 11,001.38, 15,181.92 and 6,285.65

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Solution

The fourth proportional to 11,001.38, 15,181.92 and 6,285.65 is: 8,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.38 : 15,181.92 = 6,285.65 : x
  2. Step 2: Convert to fraction form
    11,001.38/15,181.92 = 6,285.65/x
  3. Step 3: Cross multiply
    11,001.38x = 15,181.92 × 6,285.65
  4. Step 4: Simplify right side
    11,001.38x = 95,428,159.54
  5. Step 5: Solve for x
    x = 95,428,159.54/11,001.38
  6. Step 6: Final answer
    x = 8,674.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.